Captive screw



FIG. 1 is a side view of a captive screw showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a perspective view thereof;

FIG. 5 is a sectional view following the line 5—5 of FIG. 3; and,

FIG. 6 is a side view thereof in an alternative position.

The broken line showing portions of the captive screw in FIGS. 2 and 4 are for illustrative purposes only and do not form part of the claimed design. 

The ornamental design for a captive screw, as shown and described. 